Finding the Fourth Proportional to 26,973,163.40, 40,459,745.10 and 18,753,542.60
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Solution
The fourth proportional to 26,973,163.40, 40,459,745.10 and 18,753,542.60 is: 28,130,313.90
Step by Step Solution
- Step 1: Write the proportion equation
26,973,163.40 : 40,459,745.10 = 18,753,542.60 : x - Step 2: Convert to fraction form
26,973,163.40/40,459,745.10 = 18,753,542.60/x - Step 3: Cross multiply
26,973,163.40x = 40,459,745.10 × 18,753,542.60 - Step 4: Simplify right side
26,973,163.40x = 758,763,553,317,991.38 - Step 5: Solve for x
x = 758,763,553,317,991.38/26,973,163.40 - Step 6: Final answer
x = 28,130,313.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.